:root {
	--spacing-xs: 0.45rem;
	--spacing-sm: 0.75rem;
	--spacing-md: 1.25rem;
	--spacing-lg: 1.9rem;
	--transition: all 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; }

body {
	font-family: "Blinker", sans-serif;
	background-color: var(--clr-background);
	color: var(--clr-text);
	margin: 0;
	padding: var(--spacing-md);
	font-size: 17px;
	line-height: 1.6;
	touch-action: manipulation;
}

[hidden] { display: none !important; }

.container {
	background-color: var(--clr-surface);
	padding: var(--spacing-lg);
	border-radius: var(--radius);
	max-width: 580px;
	width: 100%;
	margin: 150px auto var(--spacing-lg);
}

.page-title {
	margin: 0 0 var(--spacing-sm);
	color: var(--clr-primary);
	font-size: 1.6rem;
	font-weight: 700;
	letter-spacing: -0.01em;
	text-transform: lowercase;
	display: flex;
	align-items: center;
	gap: 0.6rem;
}

.back-link {
	display: inline-flex;
	align-items: center;
	gap: 0.6rem;
	color: var(--clr-primary);
	background: none;
	border: 0;
	padding: 0;
	font: inherit;
	cursor: pointer;
}

/* Reiter */
.nav-tabs {
	display: inline-flex;
	flex-wrap: wrap;
	gap: 0.4rem;
	margin-bottom: var(--spacing-lg);
}

.nav-tabs button {
	min-width: 65px;
	padding: 0.5rem 0.9rem;
	border: 1px solid var(--clr-primary);
	border-radius: var(--radius);
	cursor: pointer;
	font: inherit;
	font-weight: 700;
	color: var(--clr-primary);
	background: var(--clr-surface);
	transition: var(--transition);
	letter-spacing: 0.04em;
	text-transform: uppercase;
}

.nav-tabs button:hover,
.nav-tabs button.active {
	background-color: var(--clr-primary);
	color: var(--clr-on-primary);
}

.tab-content { display: none; padding-bottom: var(--spacing-md); margin-bottom: var(--spacing-md); }
.tab-content.active { display: block; }

.form-section { margin-bottom: var(--spacing-lg); }
.field-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }

/* Felder mit schwebendem Label */
label {
	position: relative;
	display: block;
	font-weight: 300;
	padding-top: 1rem;
}

.field-label {
	position: absolute;
	top: 0;
	left: 0;
	font-size: 1rem;
	letter-spacing: 0.02em;
	font-weight: 300;
	color: var(--clr-text-muted);
	transition: transform 0.18s ease, color 0.18s ease, opacity 0.18s ease;
	opacity: 0;
	transform: translateY(8px);
	pointer-events: none;
}

label:focus-within .field-label,
label.has-value .field-label {
	opacity: 1;
	transform: translateY(-10px);
	color: var(--clr-primary-accent);
}

input, textarea, select {
	display: block;
	width: 100%;
	padding: 0.7rem 0.85rem;
	border: 1px solid var(--clr-primary);
	border-radius: var(--radius);
	font: inherit;
	font-size: 1rem;
	background-color: var(--clr-surface);
	color: var(--clr-text);
	transition: var(--transition);
}

input::placeholder, textarea::placeholder { color: var(--clr-text-muted); }

input:focus, textarea:focus, select:focus {
	outline: none;
	border-color: var(--clr-primary);
	box-shadow: 0 0 0 1px var(--clr-primary);
}

input.is-invalid, textarea.is-invalid { border-color: var(--clr-error); box-shadow: 0 0 0 1px var(--clr-error); }

textarea { resize: vertical; min-height: 160px; }

/* Farbe */
.color-section { margin-bottom: var(--spacing-md); }

.color-picker { display: inline-flex; align-items: center; gap: 0.6rem; }

.color-picker input[type="color"] {
	padding: 0;
	border: none;
	border-radius: var(--radius);
	width: 46px;
	height: 46px;
	background: none;
	cursor: pointer;
}

.color-picker input[type="text"] { width: auto; min-width: 125px; padding: 0.6rem 0.75rem; }

.color-share { margin: 0 0 var(--spacing-md); }

.color-share-hint {
	margin: 0 0 0.4rem;
	font-size: 0.85rem;
	font-weight: 300;
	color: var(--clr-text-muted);
}

.color-share-field { display: flex; gap: 0.35rem; }

.color-share-url {
	flex: 1 1 auto;
	min-width: 0;
	padding: 0.55rem 0.7rem;
	border-radius: var(--radius);
	font-size: 0.8rem;
	font-family: ui-monospace, monospace;
	background: var(--clr-background);
}

.color-share-copy {
	flex: 0 0 auto;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2.35rem;
	padding: 0;
	border: 1px solid var(--clr-primary);
	border-radius: var(--radius);
	cursor: pointer;
	background: var(--clr-surface);
	color: var(--clr-primary);
}

.color-share-copy:hover,
.color-share-copy.is-copied { background: var(--clr-primary); color: var(--clr-on-primary); }

/* Knöpfe */
button.submit-btn,
button.submit-btn { margin-top: var(--spacing-lg); padding: 0.75rem 1.5rem; }
button.submit-btn[disabled] { opacity: 0.6; cursor: progress; transform: none; }

/* Ergebnis */
.result-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: var(--spacing-md);
	align-items: start;
}

.result-card { display: flex; flex-direction: column; gap: var(--spacing-sm); }
.result-card.qr-preview { align-items: center; text-align: center; }

/* QR-Code bleibt auf Weiß, damit er sich überall scannen lässt */
.qr-code {
	width: 220px;
	height: 220px;
	object-fit: contain;
	border-radius: var(--radius);
	background-color: #ffffff;
}

.restart-btn { margin-top: var(--spacing-md); }
.recolor-form { margin: 0 0 var(--spacing-md); }

.download-buttons { display: flex; flex-wrap: wrap; gap: var(--spacing-sm); white-space: nowrap; }

/* Fuß */
.external-script-link {
	margin: 40px auto 60px;
	max-width: 580px;
	font-size: 0.9rem;
	color: var(--clr-text-muted);
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
}

.external-script-link a {
	color: var(--clr-text-muted);
	text-decoration: none;
	border-bottom: 1px solid currentColor;
	white-space: nowrap;
}

.external-script-link a:hover { color: var(--clr-primary); }

/* Toast von oben */
.toast { display: inline-flex; align-items: center; gap: 12px; }
.toast-message { min-width: 200px; }
.toast-close { border: none; background: transparent; color: inherit; cursor: pointer; font-size: 1.2rem; line-height: 1; padding: 0 4px; }

@media (max-width: 600px) {
	body { padding: 16px; }
	.container { padding: var(--spacing-md); margin-top: 20px; }
	.nav-tabs { display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
	.download-buttons .button { flex: 1 1 auto; }
	.toast { width: calc(100% - 32px); }
}